(a) On the set of people, (a, b) ∈R iff a and b both catch public transport  (b) On the set of 2D vectors, (u, v) ∈R iff u *  v = 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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(a) On the set of people, (a, b) ∈R iff a and b both catch public transport 


(b) On the set of 2D vectors, (u, v) ∈R iff u *  v = 0

1 For each relation on the given set, determine whether it is reflexive, symmetric, antisymmetric
and/or transitive.
In each case where the relation doesn't have a property, give a short reason why or an example
e.g. it isn't reflexive because ...
Transcribed Image Text:1 For each relation on the given set, determine whether it is reflexive, symmetric, antisymmetric and/or transitive. In each case where the relation doesn't have a property, give a short reason why or an example e.g. it isn't reflexive because ...
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